Explanation:
The 47,XXY karyotype of Klinefelter syndrome spontaneously arises when paired X chromosomes fail to separate (nondisjunction in stage I or II of meiosis, during oogenesis or spermatogenesis
Answer:
B. the making of proteins
Explanation:
Hope you have a great day :)
My Answer: Vestigial organs
Why?: " Vestigial organs are physical structures that were fully developed
and functional in an ancestral group of organisms but are reduced
and unused in the later species."
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Answer:
D
Explanation:
Two sex cells, the gamete and the sperm, come together to make the body cells, so the number of chromosomes for a body cell must be double that of a sex cell, 46/2=23
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